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_ When any employee in the field or at Washington shall desire to 
Ber nonexpendible property to another employee he must fill out the 
m invoice of Property" in triplicate, sign the original, and send 
maree copies to the employee to whom the property is to be trans- 
[, when the property is received the consignee shall sign both 
pts, returning the triplicate to the consignor, sending the duplicate 
fe Bureau of Entomology and retaining the original for his file. 
| When any property is lost or destroyed a property invoice must 
gage out in duplicate using the receipt portions only. Mark the face 
le invoice "LOST" or "DESTROYED", as the case may be, sign both copies, 
a brief but clear explanation of the occurrence on the backs of 
¢8ipts, and forward both copies to the Bureau of Entomology. 
@ame procedure should be followed in cases where nonexpendible 
erty is condemned and sold. Otherwise the agent will be required to 
ant fer such articles. 
If an employee purchase nonexpendible property in the field ona 
r Of Authority, he must list such purchases in duplicate on an 
pice of property, using the receipt portions only, clearly describing 
@ieearticie. He will then sign the receipts, attacning both copies to 
Voucher covering the purchase, and forward in the usual manner to 
‘Bureau. Without this invoice, no voucher covering the purchase of 
mpendible preperty in the field will be passed for payment. 
_ When an employee is about to sever his connection with the Bureau 
Mest send-to this office, an invoice of property, properly receipted 
Mis successor, of all the nonexpendible property charged to hin, 
re his accounts can be passed. If there is not sufficient room on 
form “Invoice of Property," the articles may be listed on sheets of 
* paper in triplicate and pasted to the invoice. 
BEE CULTURE. 
B. F. Phillips, in eharge. 
Dr. E. F. Phillips, who spent the winter in Philadelphia working 
the wintering of bees, has returned to Washington. Mr. Geo. S. Demuth 
| rewain in Philadelphia for a few weeks to close up the work of the 
Bon. The winter experiments were conducted in a constant temperature 
m in the new Zoological Laboratory of the University of Pennsylvania. 
| The work so far done consists chiefly in determining the responses 
he bee colony to changes in the external temperature. The effects of 
Lous foods have also been studied. A special scale devised and built 
A. H. Emery, Glenbrook, Conn., was used to determine the loss of weight 
the hive and colony due to the consumption of stores and the death of 
6. These scales are Capable of Weighing to one grain and have a total 
mcity of 340 pounds. The temperature readings were made by the use 
bhermo-couples, the instruments being adapted and made by the Leeds 
Northrup Company, Philadelpnia, Pa. By this method readings are made 
(/20°C, A preliminary report has been presented. 
Dr. N. E. McIndoo prepared a paper on the "The Olfactory Sense of 
Honey Bee" which appeared in the April number of The Journal of HExper- 
.2 
Mtal Zoology. It is found that the organs of olfaction are small pit- 
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